Add 15/50 and 81/21
1st number: 15/50, 2nd number: 3 18/21
15/50 + 81/21 is 291/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
15/50 = 15 × 21/50 × 21 = 315/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
81/21 = 81 × 50/21 × 50 = 4050/1050 - Add the two like fractions:
315/1050 + 4050/1050 = 315 + 4050/1050 = 4365/1050 - 4365/1050 simplified gives 291/70
- So, 15/50 + 81/21 = 291/70
In mixed form: 411/70
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